linux-kernel - Re: [PATCH v10] gpio: virtuser: new virtual testing driver for the GPIO API

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Message-ID: <172051091644.6169.4337890998290511696.b4-ty@linaro.org>
Date: Tue,  9 Jul 2024 09:41:59 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Kent Gibson <warthog618@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10] gpio: virtuser: new virtual testing driver for the GPIO API

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>


On Mon, 08 Jul 2024 16:29:12 +0200, Bartosz Golaszewski wrote:
> The GPIO subsystem used to have a serious problem with undefined behavior
> and use-after-free bugs on hot-unplug of GPIO chips. This can be
> considered a corner-case by some as most GPIO controllers are enabled
> early in the boot process and live until the system goes down but most
> GPIO drivers do allow unbind over sysfs, many are loadable modules that
> can be (force) unloaded and there are also GPIO devices that can be
> dynamically detached, for instance CP2112 which is a USB GPIO expender.
> 
> [...]

Applied, thanks!

[1/1] gpio: virtuser: new virtual testing driver for the GPIO API
      commit: 91581c4b3f29e2e22aeb1a62e842d529ca638b2d

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>